Across
1
Physical features of land
6
Chain or group of islands
7
Tool for finding directions
8
Landform where river meets the sea
10
Flat grassland in tropical regions
11
Deep narrow valley with steep sides
Down
2
Largest hot desert in the world
3
Largest ocean on Earth
4
Wearing away of land by water or wind
5
Total number of people in an area
9
Steep rock face at edge of land